#main {
  text-align: center;
  width: 1014px;
  margin: 0 auto;
}
#main img {
  display: block;
  width: 100%;
}
#adver {
  position: absolute;
  left: 10px;
  top: 30px;
  z-index: 2;
}
.box {
  background-color: #ddd;
  overflow: auto;
}
